import java.util.Date;

public class Test {

    public static void main1(String[] args) throws InterruptedException {
        Date d1=new Date();

        System.out.println(d1);

        Thread.sleep(1000*3*20);

        Date d2=new Date();

        System.out.println(d2);
    }


    public static void main(String[] args) {
        System.out.println(System.currentTimeMillis());

    }
}
